| Acronym | Meaning |
| PF | Payload Operational Instrumentation MDM-FWD |
| CIS | Change Impact Summary |
| SE&I | SYstems Engineering And Integration |
| TFF | Time To Free Fall |
| SCD | Specification Control Document |
| HRM | High-rate Multiplexer |
| MECA | Main Engine Controller Assembly |
| CSF | Cost Sensitivity Factor |
| LIQ | Liquid |
| CP | Cargo Program Office (KSC) |